Analysis: Why gun controls are off the agenda in America

Newtown school shooting – Children in Newtown, Connecticut, return to school on December 18, 2012, four days after the shooting at Sandy Hook Elementary School.

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Newtown school shooting – Connecticut State Police officers search outside St. Rose of Lima Roman Catholic Church in Newtown, Connecticut, on Tuesday, December 16, after a threat prompted authorities to evacuate the building. Investigators found nothing to substantiate the reported threat, a police official said, declining to provide additional details. The church held Sunday services following the mass shooting at Sandy Hook Elementary School in Newtown.

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Newtown school shooting – Connecticut State Police officers walk out of St. Rose of Lima Roman Catholic Church after the Newtown church received a threat December 16.

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Newtown school shooting – Firefighters attach black bunting to a fire truck as a memorial at the fire station down the street from the Sandy Hook Elementary School in Newtown, Connecticut, on Saturday, December 15.

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Newtown school shooting – Connecticut Chief Medical Examiner H. Wayne Carver II talks to the media about the elementary school shooting during a press conference at Treadwell Memorial Park on December 15.

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Newtown school shooting – Zulma Sein is hugged by a family member outside of the entrance to the Sandy Hook School on Saturday.

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Newtown school shooting – Police officers keep guard at the entrance to the street leading to the Sandy Hook Elementary School on Saturday, December 15.

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Newtown school shooting – Connecticut State Police Lt. Paul Vance addresses the press on December 15.

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Newtown school shooting – Police officers stand at the entrance to the street leading to the Sandy Hook Elementary School on December 15.

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Newtown school shooting – Corinne McLaughlin, a student at the University of Hartford, bows her head during a candlelight vigil at Hartford, Connecticut's Bushnell Park on Friday, December 14, honoring the students and teachers who died at Sandy Hook Elementary School in nearby Newtown earlier in the day.

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Newtown school shooting – Distraught people leave the fire station after hearing news of their loved ones from officials on Friday.

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Newtown school shooting – Emergency workers stand in front of the Sandy Hook Elementary School in Newtown.

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Newtown school shooting – A child and her mother leave a staging area outside Sandy Hook Elementary School in Newtown, Connecticut, on December 14.

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Newtown school shooting – Members of the media converge on December 14 in front of an apartment at 1313 Grand Street in Hoboken, New Jersey. The apartment is believed to be connected to the Connecticut elementary school shooting.

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Newtown school shooting – Faisal Ali, right, of Colorado Springs, Colorado, joins other people outside the White House on December 14 to participate in a candlelight vigil to remember the victims of the Sandy Hook Elementary School shooting.

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Newtown school shooting – Connecticut State Police spokesman Lt. J. Paul Vance, center, briefs the media on the elementary school shootings during a press conference at Treadwell Memorial Park on December 14 in Newtown.

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Newtown school shooting – People weep and embrace near Sandy Hook Elementary School on Friday, December 14.

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Newtown school shooting – A woman leans on a man as she weeps near Sandy Hook Elementary School on December 14.

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Newtown school shooting – President Barack Obama wipes a tear as he speaks about the shooting at Sandy Hook Elementary School during a press briefing at the White House on December 14.

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Newtown school shooting – A woman weeps near the site of a shooting at Sandy Hook Elementary School on December 14.

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Newtown school shooting – A woman weeps near Sandy Hook Elementary School on December 14.

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Newtown school shooting – People comfort each other near Sandy Hook Elementary School on December 14.

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Newtown school shooting – A man takes in the scene near Sandy Hook Elementary School on December 14.

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Newtown school shooting – A young girl is given a blanket after being evacuated from Sandy Hook Elementary School on December 14.

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Newtown school shooting – State police personnel lead children from the school.

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Newtown school shooting – Children wait outside Sandy Hook Elementary School in Newtown, Connecticut, after the shooting.

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Newtown school shooting – A boy weeps at Reed Intermediate School after getting news of the shooting at Sandy Hook Elementary School on December 14.

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Newtown school shooting – FBI SWAT team members walk along Dickinson Drive near Sandy Hook Elementary School on December 14.

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Newtown school shooting – An aerial view of Sandy Hook Elementary School in Newtown, Connecticut on December 14.

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Newtown school shooting – Connecticut State Troopers arrive on the scene outside Sandy Hook Elementary School on December 14.

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Newtown school shooting – A Connecticut State Police officer runs with a shotgun at the Sandy Hook Elementary School in Newtown on December 14.

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Newtown school shooting – Police patrol the streets around Sandy Hook Elementary School on December 14.

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Newtown school shooting – People try to deal with the shock of the attack outside Sandy Hook Elementary School on December 14.

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Newtown school shooting – Connecticut State Police secure the scene of the shooting on December 14.

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Newtown school shooting – People embrace outside Sandy Hook Elementary School on December 14.

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Newtown school shooting – A man escorts his son away from Sandy Hook Elementary School on December 14.

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Newtown school shooting – People take in the news outside Sandy Hook Elementary School on December 14.

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Newtown school shooting – People line up to enter Newtown Methodist Church near the the scene of the shooting on December 14.

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Newtown school shooting – A woman speaks with a Connecticut state trooper outside Sandy Hook Elementary School on December 14.

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Newtown school shooting – The streets around Sandy Hook Elementary are packed with first responders and other vehicles.

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Newtown school shooting – A view of the scene at Sandy Hook Elementary School after the shooting.

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Newtown school shooting – A young boy is comforted outside Sandy Hook Elementary School on December 14.

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Newtown school shooting – People embrace each other on December 14.

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Story highlights

Another month, another shooting spree in in the U.S.

But after previous murderous rampage, American attitudes don't change much

Americans are most heavily armed people per capita, with Yemen a distant second

Mann: World thinks of U.S. when apparently ordinary people use guns for grotesque violence

What is it about Americans and guns?

How much time do you have?

"I can tell you that I don't think there's any other developed country in the world that has remotely the problem we have," New York Mayor Michael Bloomberg said after the shooting rampage at a Colorado theater in July killed 12 people.

Now, a school shooting in Connecticut claims 20 young children and six adults, possibly more once the full story is known. In between, there have been other shootings including at a shopping mall earlier in the week in Oregon.

There are an estimated 270 million guns in the hands of civilians in the United States, making Americans the most heavily armed people in the world per capita. Yemen, a tribal nation with no history of strong central government or the rule of law, comes in a distant second.

From Washington to the well-stocked shelves of Walmart stores nationwide, guns are regarded in the United States as a commonplace if controversial consumer item for millions of law-abiding hunters, collectors and citizens concerned about their safety. They are also in the hands of thousands of killers, too; a Washington-based anti-gun lobby says those guns shoot more than 100,000 people a year. In 2010, there were more than 30,000 deaths caused by firearms when the number of homicides, suicides and accidental deaths are tallied.

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America's collective memory -- of the Wild West in the 1800s, the assassinations of John F. Kennedy and Martin Luther King half a century ago and rampages like Columbine in 1999 or Virginia Tech in 2007 -- is marked time and time again by guns.

"It's undeniable," writes Clayton Cramer, author of "Armed America: the Remarkable Story of How and Why Guns Became as American as Apple Pie." "Guns are at the center of much of America's history, its legends, and its horrors."

There were guns in America long before the America we know today was even born. Early settlers in several states were required by law to own and maintain weapons as a matter of collective defense.

By the time the United States was established, its citizens had taken up arms not only against their Native American neighbors but the army of their own king. Their new Constitution reflected that in its Bill of Rights, declaring that "A well regulated militia being necessary to the security of a free state, the right of the people to keep and bear arms shall not be infringed."

For more than two centuries, that remained an important but largely overlooked guarantee, subjected to a modest series of controls. But in 2008 and 2010, landmark Supreme Court rulings gave that constitutional right sweeping new power, dramatically diminishing the authority of state and local governments to limit gun ownership.

Gun-friendly state lawmakers have been active, too. Roughly half of the 50 U.S. states have adopted laws allowing gun owners to carry their guns openly in most public places. About as many states have "stand your ground" laws that allow people to kill if they come under threat, even, in some cases, if they can escape the threat without violence.

The laws are being driven by politics, and the politics are being driven by groups such as the National Rifle Association. Once a relatively modest organization of gun enthusiasts and hunters, it has become one of the most powerful political groups in the country. The Washington Post estimates that the NRA succeeded in helping elect four out of every five candidates it endorsed in the 2010 congressional election.

In addition to that extraordinary impact in Congress, it has been working to overturn gun-control laws in the courts.

The NRA and other gun-rights groups have allied themselves with the Republican Party and, especially, a sector of the American public suspicious of government intrusions into private life and often flatly hostile to Washington.

Poll results suggest most Americans wouldn't agree. CNN and Gallup surveys going back years suggest that Americans are split between those who approve of current gun-control laws and respondents who would like to see them made more restrictive. Americans who'd like no controls at all are a small minority.

Last year's nearly fatal shooting of Giffords didn't move her state or federal colleagues to adopt any new gun control measures.

America is by no means unique to this type of gun crime.

But America seems to be the place the whole world thinks of when apparently ordinary people use guns for grotesque acts of violence. America stands alone in its historic and cultural attachment to guns. America stands armed.